{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{longtable}{l*{4}{c}}
\caption{Partisanship and Cyber Threat Perception}\\
\hline\hline\endfirsthead\hline\endhead\hline\endfoot\endlastfoot
                &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}\\
                &\multicolumn{1}{c}{Russia}&\multicolumn{1}{c}{China}&\multicolumn{1}{c}{Iran}&\multicolumn{1}{c}{Korea}\\
\hline
Only now and    &    16.92\sym{*}  &    10.25         &   -7.306         &   -7.264         \\
then            &   (2.56)         &   (1.41)         &  (-1.15)         &  (-1.14)         \\
[1em]
Some of the time&    20.66\sym{***}&    11.13         &   -4.204         &   -5.276         \\
                &   (3.45)         &   (1.69)         &  (-0.73)         &  (-0.91)         \\
[1em]
Most of the time&    23.23\sym{***}&    20.60\sym{**} &   -4.205         &   -9.556         \\
                &   (3.90)         &   (3.15)         &  (-0.74)         &  (-1.67)         \\
[1em]
gop7=1          &    20.23\sym{**} &    0.333         &   -5.375         &    1.033         \\
                &   (3.16)         &   (0.05)         &  (-0.87)         &   (0.17)         \\
[1em]
Only now and    &   -23.66\sym{**} &   -5.726         &    12.73         &    2.861         \\
then $\times$ gop7=1&  (-2.92)         &  (-0.65)         &   (1.64)         &   (0.37)         \\
[1em]
Some of the time&   -27.91\sym{***}&   -0.144         &    5.338         &   -0.484         \\
$\times$ gop7=1 &  (-3.82)         &  (-0.02)         &   (0.76)         &  (-0.07)         \\
[1em]
Most of the time&   -29.84\sym{***}&   -1.363         &    10.40         &   -3.100         \\
$\times$ gop7=1 &  (-4.25)         &  (-0.18)         &   (1.54)         &  (-0.46)         \\
[1em]
dem7=1          &    18.36\sym{**} &    0.459         &   -8.691         &    4.425         \\
                &   (2.69)         &   (0.06)         &  (-1.33)         &   (0.67)         \\
[1em]
Only now and    &   -9.614         &   -4.567         &    8.658         &    1.638         \\
then $\times$ dem7=1&  (-1.17)         &  (-0.51)         &   (1.10)         &   (0.21)         \\
[1em]
Some of the time&   -12.51         &   -3.418         &    4.466         &   -2.311         \\
$\times$ dem7=1 &  (-1.65)         &  (-0.41)         &   (0.62)         &  (-0.32)         \\
[1em]
Most of the time&   -6.864         &   -9.160         &    1.152         &    1.776         \\
$\times$ dem7=1 &  (-0.93)         &  (-1.13)         &   (0.16)         &   (0.25)         \\
[1em]
Dial-up         &   -14.86\sym{**} &   -7.827         &    4.006         &    5.227         \\
                &  (-2.62)         &  (-1.26)         &   (0.74)         &   (0.96)         \\
[1em]
None            &   -0.987         &   -1.376         &   -0.917         &   -3.528         \\
                &  (-0.33)         &  (-0.42)         &  (-0.32)         &  (-1.23)         \\
[1em]
age             &  0.00498         &    0.164\sym{***}&   0.0892\sym{*}  &  -0.0151         \\
                &   (0.12)         &   (3.69)         &   (2.29)         &  (-0.39)         \\
[1em]
white           &   -0.747         &    0.755         &   -1.294         &    2.503         \\
                &  (-0.48)         &   (0.44)         &  (-0.86)         &   (1.66)         \\
[1em]
college         &    1.119         &    1.929         &   -2.437         &   -1.493         \\
                &   (0.85)         &   (1.33)         &  (-1.92)         &  (-1.17)         \\
[1em]
female          &   -1.548         &   -4.442\sym{**} &    1.897         &    1.655         \\
                &  (-1.20)         &  (-3.14)         &   (1.53)         &   (1.33)         \\
[1em]
Constant        &   -15.05\sym{**} &   -18.62\sym{**} &   -1.620         &    4.505         \\
                &  (-2.68)         &  (-3.03)         &  (-0.30)         &   (0.83)         \\
\hline
Observations    &      737         &      737         &      737         &      737         \\
\hline\hline
\multicolumn{5}{l}{\footnotesize \textit{t} statistics in parentheses}\\
\multicolumn{5}{l}{\footnotesize \sym{*} \(p<0.05\), \sym{**} \(p<0.01\), \sym{***} \(p<0.001\)}\\
\end{longtable}
}
